The Boston Beer Company, Inc.
US ˙ NYSE ˙ US1005571070

SecuritySAM / The Boston Beer Company, Inc.
InstitutionCwm, Llc
Latest Disclosed Ownership12,368 shares
Latest Disclosed Value $ 2,849,587
Cwm, Llc reports 35.48% increase in ownership of SAM / The Boston Beer Company, Inc.

On May 14, 2026 - Cwm, Llc filed a 13F-HR form disclosing ownership of 12,368 shares of The Boston Beer Company, Inc. (US:SAM) valued at $2,849,587 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 9,129 shares of The Boston Beer Company, Inc.. This represents a change in shares of 35.48% during the quarter. The current value of the position is $2,025,384 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BOSTON BEER CL A 100557107 12,368 3,239 35.48 2,850 284,800.00 0.0075
2026-01-26 2025-12-31 13F BOSTON BEER CL A 100557107 9,129 -9,088 -49.89 2 -66.67 0.0048
2025-10-15 2025-09-30 13F BOSTON BEER CL A 100557107 18,217 17,055 1,467.73 4 0.0116
2025-07-25 2025-06-30 13F BOSTON BEER CL A 100557107 1,162 730 168.98 0 0.0008
2025-05-01 2025-03-31 13F BOSTON BEER CL A 100557107 432 -7,244 -94.37 0 -100.00 0.0004
2025-02-04 2024-12-31 13F BOSTON BEER CL A 100557107 7,676 2,530 49.16 2 100.00 0.0096
2024-10-08 2024-09-30 13F BOSTON BEER CL A 100557107 5,146 4,523 726.00 1 0.0064
2024-07-10 2024-06-30 13F BOSTON BEER CL A 100557107 623 287 85.42 0 0.0009
2024-04-05 2024-03-31 13F BOSTON BEER CL A 100557107 336 109 48.02 0 0.0005
2024-02-01 2023-12-31 13F BOSTON BEER CL A 100557107 227 34 17.62 0 0.0004
2023-10-11 2023-09-30 13F BOSTON BEER CL A 100557107 193 140 264.15 0 0.0005
2023-08-03 2023-06-30 13F BOSTON BEER CL A 100557107 53 1 1.92 0 0.0001
2023-05-01 2023-03-31 13F BOSTON BEER CL A 100557107 52 6 13.04 0 0.0001
2023-02-01 2022-12-31 13F BOSTON BEER CL A 100557107 46 20 76.92 0 -100.00 0.0001
2022-10-27 2022-09-30 13F BOSTON BEER CL A 100557107 26 7 36.84 8 33.33 0.0001
2022-07-28 2022-06-30 13F BOSTON BEER CL A 100557107 19 -3 -13.64 6 -33.33 0.0000
2022-04-21 2022-03-31 13F BOSTON BEER CL A 100557107 22 14 175.00 9 125.00 0.0001
2022-01-31 2021-12-31 13F BOSTON BEER CL A 100557107 8 -2 -20.00 4 -60.00 0.0000
2021-09-15 2021-06-30 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-07-29 2021-06-30 13F BOSTON BEER CL A 100557107 10 0 10 0.0001
2021-09-15 2021-03-31 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-04-27 2021-03-31 13F BOSTON BEER CL A 100557107 7 -3 8 0.0001
2021-09-15 2020-12-31 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-01-27 2020-12-31 13F BOSTON BEER CL A 100557107 7 -3 7 0.0001
2021-09-15 2020-09-30 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2020-10-19 2020-09-30 13F BOSTON BEER CL A 100557107 11 1 10 0.0001
2021-09-15 2020-06-30 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2020-07-22 2020-06-30 13F BOSTON BEER CL A 100557107 13 3 7 0.0001
2021-09-15 2020-03-31 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2020-04-28 2020-03-31 13F BOSTON BEER CL A 100557107 14 4 5 0.0001
2021-09-14 2019-12-31 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-09-14 2019-09-30 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-09-14 2019-06-30 13F/A-1 BOSTON BEER CL A 100557107 10 0 0.00 10 0.00 0.0001
2021-09-02 2019-03-31 13F/A-1 BOSTON BEER CL A 100557107 10 10 10 0.0001
2017-01-19 2016-12-31 13F BOSTON BEER CL A 100557107 0 -47 -100.00 0 -100.00
2016-10-17 2016-09-30 13F BOSTON BEER CL A 100557107 47 47 0.00 7 0.0005
2016-04-18 2016-03-31 13F BOSTON BEER CL A 100557107 0 0 0 0.0000
2016-02-01 2015-12-31 13F BOSTON BEER CL A 100557107 0 -50 -100.00 0 -100.00
2015-10-30 2015-09-30 13F BOSTON BEER CL A 100557107 50 -50 -50.00 11 -54.17 0.0011
2014-02-14 2013-12-31 13F BOSTON BEER CL A 100557107 100 0 0.00 24 0.00 0.0037
2013-11-14 2013-09-30 13F BOSTON BEER CL A 100557107 100 100 24 0.0063
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.